Watch Time Calculator
Add your videos below to calculate total watch time — with playback speed support.
How to Use the Watch Time Calculator
Enter the duration of each video or episode in hours, minutes, and seconds. Give each one an optional title to stay organised. Then select your playback speed and click Calculate Watch Time to see the total.
The calculator shows two numbers: the raw total duration, and the adjusted time at your chosen playback speed. Watching at 1.5× speed, for example, reduces a 10-hour course to just under 7 hours.
Why Watch Time Matters for Creators
YouTube's algorithm rewards videos with high total watch time, not just high view counts. Understanding how long your content runs — and how viewers experience it at different speeds — helps you plan series length, episode pacing, and content strategy. Creators who track watch time consistently make better decisions about video length and structure.